Filter components, filter elements and filter systems for separation technology relating to low or high-viscosity and corrosive fluids as well as gaseous, pasty and granular media, including plasmas; filtration devices (machines) for separation technologies, usable for all technical, chemical, biological, and process engineering applications; replacement parts for the aforesaid goods; liquid filters, gas filters, multistage filters, changeover filters, back flush filters, membrane filters, coalescers, filter elements, filter candles, filter cartridges, filter housings, filter discs and disc filter elements, filter mats, filter pots, filter cloths, filter bags, filter belts, filter packages and depth-filter elements, as parts of machines, engines or motors.

Liquid filters, gas filters, multistage filters, changeover filters, back flush filters, membrane filters; coalescing filters; filter elements, filter candles, filter cartridges, filter housings, filter discs and disc filter elements, filter mats, filter pots, filter cloths, filter bags, filter belts, filter packages, depth-filter elements, for use in relation to heating, steam-generating, cooling, drying, ventilating, water supply, water treatment, climate, air-conditioning and sanitary installations and apparatus.